/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package com.mfi.controllers;

import com.mfi.models.Category;
import com.mfi.models.Customer;

import com.mfi.models.DBConnection;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.ArrayList;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 *
 * @author Allen
 */
public class CategoryModifyServlet extends HttpServlet {

    /**
     * Processes requests for both HTTP
     * <code>GET</code> and
     * <code>POST</code> methods.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        PrintWriter out = response.getWriter();
        try {

            Customer customer = (Customer) request.getSession().getAttribute("account");
            if (customer == null || !customer.getType().equals("admin")) {
                response.sendRedirect("/");
            }

            request.setAttribute("title", "Update Category");

            if (request.getParameter("id") != null) {

                String id = request.getParameter("id");

                request.setAttribute("id", id);

                DBConnection connect = new DBConnection();

                Category category = connect.update(id);
                request.setAttribute("category", category);

                if (request.getParameter("modify") != null) {

                    String name = request.getParameter("name");
                    boolean active = Boolean.parseBoolean(request.getParameter("active"));

                    if (name.equals("")) {
                        request.getSession().setAttribute("message", "Category name required.");
                        request.getRequestDispatcher("modify.jsp?id=" + id).forward(request, response);
                    } else {
                        boolean cat = connect.updateCategory(id, name, active);

                        if (cat) {
                            request.getSession().setAttribute("message", "Category updated.");
                            response.sendRedirect("/manage/category");
                        } else {
                            request.getRequestDispatcher("/WEB-INF/manage/category/modify.jsp").forward(request, response);
                        }

                    }
                } else {
                    request.getRequestDispatcher("/WEB-INF/manage/category/modify.jsp").forward(request, response);
                }

            } else {
                request.getRequestDispatcher("/WEB-INF/manage/category/modify.jsp").forward(request, response);
            }

        } finally {
            out.close();
        }
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /**
     * Handles the HTTP
     * <code>GET</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Handles the HTTP
     * <code>POST</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Returns a short description of the servlet.
     *
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
}
